Alpha-hydroxyethylphosphinic ester, its preparation and agent for combatting against plant diseases containing the same
专利汇可以提供Alpha-hydroxyethylphosphinic ester, its preparation and agent for combatting against plant diseases containing the same专利检索，专利查询，专利分析的服务。并且NEW MATERIAL:A compound of formula I (R is alkyl of 13 or less carbon atoms, cycloalkyl, or alkyl, cycloalkyl substituted with halogen, alkoxy, alkoxyalkoxy, alkylthio or aryloxy).
EXAMPLE: n-Butyl α-hydroxyethylphosphinate.
USE: An agent for combatting against plant diseases: it shows not only preventive effect against plant diseases caused by phycomycetes such as downy mildew or late blight but also curative and systemic effects.
PREPARATION: α-HYdroxyethylphosphinic acid of formula II and an alcohol of the formula: ROH such as ethanol or 1-butanol are heated in an organic solvent such as n-hexane to effect azeotropic dehydration for 1W24hr.
COPYRIGHT: (C)1983,JPO&Japio，下面是Alpha-hydroxyethylphosphinic ester, its preparation and agent for combatting against plant diseases containing the same专利的具体信息内容。
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